Answer:
Step-by-step explanation:
<u>Use page/min ratio to solve:</u>
37.5 minutes I think
63.59
30%
4320 - 288 = 4032
4032/12 =336 per copies
So, he sold them in 5760
5760 - 4032 = 1728
(1728/5760)*100 = 30%